drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven
Without the additional bits set in PDEs/PTEs, the ATC memory access
would have failed on Raven.
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index fee0a32..b500bb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -328,9 +328,10 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
AMDGPU_GEM_CREATE_SHADOW);
if (vm->pte_support_ats) {
- init_value = AMDGPU_PTE_SYSTEM;
+ init_value = AMDGPU_PTE_DEFAULT_ATC;
if (level != adev->vm_manager.num_level - 1)
init_value |= AMDGPU_PDE_PTE;
+
}
/* walk over the address space and allocate the page tables */
@@ -2017,7 +2018,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
list_del(&mapping->list);
if (vm->pte_support_ats)
- init_pte_value = AMDGPU_PTE_SYSTEM;
+ init_pte_value = AMDGPU_PTE_DEFAULT_ATC;
r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
mapping->start, mapping->last,
@@ -2629,7 +2630,9 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (adev->asic_type == CHIP_RAVEN) {
vm->pte_support_ats = true;
- init_pde_value = AMDGPU_PTE_SYSTEM | AMDGPU_PDE_PTE;
+ init_pde_value = AMDGPU_PTE_DEFAULT_ATC
+ | AMDGPU_PDE_PTE;
+
}
} else
vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &